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melioration

 
Noun melioration has 3 senses
  1. amelioration, melioration, betterment - the act of relieving ills and changing for the better
    --1 is a kind of improvement
    Derived forms: verb meliorate1, verb meliorate2
  2. improvement, melioration - a condition superior to an earlier condition; "the new school represents a great improvement"
    --2 is a kind of condition, status
    --2 has particulars:
     betterment; development; reformation; renovation, restoration, refurbishment
    Derived forms: verb meliorate1, verb meliorate2
  3. melioration - the linguistic process in which over a period of time a word grows more positive in connotation or more elevated in meaning
    --3 is a kind of
    drift
    Derived form: verb meliorate2
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